US2510280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system
Assignee: RCA Corp
•
Filing: 1946-09-10
•
Granted: 1950-06-06
•
Expires: 1966-09-10
Abstract
No abstract record available.
Inventors
- 👤 De Witt R Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:21
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/30; H01Q3/34; H01Q3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1797746A
Cited
US2041600A
Cited
US2140130A
Cited
US2225928A
Cited
US2399469A
Cited
US2253867A
Cited
US2423103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |